Marcos Thomas Perez, a 62-year-old former Heat security guard and longtime Miami police officer, appeared in federal court Tuesday on charges that he stole and resold hundreds of pieces of game-worn memorabilia, including jerseys worn by some of the NBA’s biggest stars.

A former Miami Heat security worker has been charged in a massive memorabilia theft that involved millions of dollars’ worth of game-used jerseys and other items, authorities said.